For a more detailed treatment, see Galaxy.
Galaxies are large objects composed of gas, dust, stars and nebulae. They often contain over hundred billion stars. There are four main types: spiral, elliptical, lenticular and irregular.
Pages in category "Galaxies"
The following 13 pages are in this category, out of 13 total.
Media in category "Galaxies"
This category contains only the following file.
